Debug Spanning-Tree Bpdu - Cisco Catalyst 3550 Command Reference Manual

debug spanning-tree bpdu

debug spanning-tree bpdu
Use the debug spanning-tree bpdu privileged EXEC command to enable debugging of received and
transmitted spanning-tree bridge protocol data units (BPDUs). Use the no form of this command to
disable debugging output.
Syntax Description
receive
transmit
Defaults Debugging is disabled.
Command Modes
Privileged EXEC
Command History Release
12.1(4)EA1
Usage Guidelines
This command can be entered only from the switch console.
The undebug spanning-tree bpdu command is the same as the no debug spanning-tree bpdu
command.
Related Commands Command
show debugging
show spanning-tree
Catalyst 3550 Multilayer Switch Command Reference
B-34
debug spanning-tree bpdu [receive | transmit]
no debug spanning-tree bpdu [receive | transmit]
(Optional) Enable receive BPDU debugging.
(Optional) Enable transmit BPDU debugging.
Modification
This command was first introduced.
Description
Displays information about the types of debugging that are enabled. For
syntax information, select Cisco IOS Configuration Fundamentals
Command Reference for IOS Release 12.1 > Cisco IOS System
Management Commands > Troubleshooting Commands.
Displays spanning-tree state information.
Appendix B Debug Commands
78-11195-09